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Supersymmetry and stationary solutions in dilaton-axion gravity
Gravity is fixed charged Taub - the NUT steel pipe concrete the construction
2014/12/23
New stationary solutions of four-dimensional dilaton-axion gravity are presented, which correspond to the charged Taub-NUT and Israel-Wilson-Perjés (IWP) solutions of Einstein-Maxwell theory. The char...
Pair creation of dilaton black holes
Theory of gravity time and space dimensions coupling a black hole magnetism
2014/12/23
We consider dilaton gravity theories in four spacetime dimensions parametrized by a constant a, which controls the dilaton coupling, and construct new exact solutions. We first generalize the C metric...
Equivalence Principle Violations and Couplings of a Light Dilaton
Exchange of light coupling inverse cubic root atoms scalar coupling parameterized
2014/12/18
We consider possible violations of the equivalence principle through the exchange of a light “dilaton-like” scalar field. Using recent work on the quark-mass dependence of nuclear binding, we find tha...
Homogeneous heterotic supergravity solutions with linear dilaton
Homogeneous heterotic supergravity solutions linear dilaton
2010/12/23
I construct solutions to the heterotic supergravity BPS-equations on products of Minkowski space with a non-symmetric coset. All of the bosonic fields are homogeneous and non-vanishing, the dilaton be...
We calculate the free energy, spatial string tension and Polyakov loop of the gluon plasma using the dilaton potential of Ref. arXiv:0911.0627[hep-ph] in the dilaton-gravity theory of AdS/QCD. The fr...
Dilaton stabilization by massive fermion matter
Dilaton stabilization massive fermion matter
2010/12/24
The implications for the Dilaton stabilization problem are investigated when the effective potential for this field is generated by the existence of a massive fermion. The previously evaluated two lo...
On the Bogomol'nyi bound in Einstein-Maxwell-dilaton gravity
Bogomol'nyi bound Einstein-Maxwell-dilaton gravity
2010/12/21
It has been shown that the Einstein-Maxwell-dilaton theory allows a Bogomol’nyi-type inequality
for an arbitrary dilaton coupling constant , and that the bound is saturated if and only if the
(asym...
The implications for the Dilaton stabilization problem are investigated when the effective potential for this field is generated by the existence of a massive fermion. The previously evaluated two loo...
On the Bogomol'nyi bound in Einstein-Maxwell-dilaton gravity
Bogomol'nyi bound Einstein-Maxwell-dilaton gravity
2010/12/22
It has been shown that the Einstein-Maxwell-dilaton theory allows a Bogomol'nyi-type inequality for an arbitrary dilaton coupling constant $\alpha$, and that the bound is saturated if and only if the...
Strong gravitational lensing across dilaton anti-de Sitter black hole
anti de Sitter gravitational lensing black holes
2010/3/18
In this work we investigate gravitational lensing effect in strong field region around a dilaton black holes in an anti de Sitter (ADS) space. We also analyse the dependence of the radius of the photo...
Entropy Conservation of Linear Dilaton Black Holes in Quantum Corrected Hawking Radiation
Entropy Conservation Linear Dilaton Black Holes Quantum Corrected
2010/3/18
It has been shown recently that information is lost in the Hawking radiation of the linear dilaton black holes in various theories when applying the tunneling formulism without considering quantum gra...
Thin-shell wormholes from charged black holes in generalized dilaton-axion gravity
Thin-shell wormholes black holes
2010/3/17
This paper discusses a new type of thin-shell wormhole constructed by applying the cut-and-paste technique to two copies of a charged black hole in generalized dilaton-axion gravity, which was inspire...
获得了二维dilaton引力模型中的周期解,通过坐标变换证明了周期解和带电sine Gordon孤子解的等价性
Calculation of Quantum Probability in O(2,2) String
Cosmology with a Dilaton Potential
quantum probability O(2 2) string cosmology dilaton potential
2007/8/15
2006Vol.46No.2pp.239-240DOI:
Calculation of Quantum Probability in O(2,2) String
Cosmology with a Dilaton Potential
YAN Jun
Department of Physics, Sichuan Normal Univer...
Thermodynamics of stationary axisymmetric Einstein-Maxwell dilaton-axion black hole
Thermodynamics black hole
2007/7/19
The thermodynamics of a stationary axisymmetric Einstein-Maxwell dilatom-axion (EMDA) black hole is investigated using general statistical physics methods. It is shown that entropy and energy have the...